
/**
 * A heuristic that applies CSS to tablet
 * viewports.
 *
 * Usage:
 * @include tablet-viewport() {
 *   :host {
 *     background-color: green;
 *   }
 * }
 */
@mixin tablet-viewport() {
  @media screen and (min-width: 768px) {
    @content;
  }
}

/**
 * A heuristic that applies CSS to mobile
 * viewports (i.e. phones, not tablets).
 *
 * Usage:
 * @include mobile-viewport() {
 *   :host {
 *     background-color: blue;
 *   }
 * }
 */
@mixin mobile-viewport() {
  @media screen and (max-width: 767px) {
    @content;
  }
}

@mixin input-cover() {
  @include position(0, null, null, 0);
  @include margin(0);

  position: absolute;

  width: 100%;
  height: 100%;

  border: 0;
  background: transparent;
  cursor: pointer;

  appearance: none;
  outline: none;

  &::-moz-focus-inner {
    border: 0;
  }
}

@mixin visually-hidden() {
  position: absolute;

  top: 0;
  left: 0;
  right: 0;
  bottom: 0;

  width: 100%;
  height: 100%;

  margin: 0;
  padding: 0;

  border: 0;
  outline: 0;
  clip: rect(0 0 0 0);

  opacity: 0;
  overflow: hidden;

  -webkit-appearance: none;
  -moz-appearance: none;
}

@mixin text-inherit() {
  font-family: inherit;
  font-size: inherit;
  font-style: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  text-decoration: inherit;
  text-indent: inherit;
  text-overflow: inherit;
  text-transform: inherit;
  text-align: inherit;
  white-space: inherit;
  color: inherit;
}

@mixin button-state() {
  @include position(0, 0, 0, 0);

  position: absolute;

  content: "";

  opacity: 0;
}

// Font smoothing
// --------------------------------------------------

@mixin font-smoothing() {
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
}

// Get the key from a map based on the index
@function index-to-key($map, $index) {
  $keys: map-keys($map);

  @return nth($keys, $index);
}


// Breakpoint Mixins
// ---------------------------------------------------------------------------------

// Breakpoint viewport sizes and media queries.
//
// Breakpoints are defined as a map of (name: minimum width), order from small to large:
//
//    (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px)
//
// The map defined in the `$screen-breakpoints` global variable is used as the `$breakpoints` argument by default.

// ---------------------------------------------------------------------------------

// Minimum breakpoint width. Null for the smallest (first) breakpoint.
//
//    >> breakpoint-min(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//    576px
@function breakpoint-min($name, $breakpoints: $screen-breakpoints) {
  $min: map-get($breakpoints, $name);

  @return if($name != index-to-key($breakpoints, 1), $min, null);
}

// Returns a blank string if smallest breakpoint, otherwise returns the name with a dash infront.
// Useful for making responsive utilities.
//
//    >> breakpoint-infix(xs, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//    ""  (Returns a blank string)
//    >> breakpoint-infix(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//    "-sm"
@function breakpoint-infix($name, $breakpoints: $screen-breakpoints) {
  @return if(breakpoint-min($name, $breakpoints) == null, "", "-#{$name}");
}

// Media of at least the minimum breakpoint width. No query for the smallest breakpoint.
// Makes the @content apply to the given breakpoint and wider.
@mixin media-breakpoint-up($name, $breakpoints: $screen-breakpoints) {
  $min: breakpoint-min($name, $breakpoints);
  @if $min {
    @media (min-width: $min) {
      @content;
    }
  } @else {
    @content;
  }
}

// Name of the next breakpoint, or null for the last breakpoint.
//
//    >> breakpoint-next(sm)
//    md
//    >> breakpoint-next(sm, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//    md
//    >> breakpoint-next(sm, $breakpoint-names: (xs sm md lg xl))
//    md
@function breakpoint-next($name, $breakpoints: $screen-breakpoints, $breakpoint-names: map-keys($breakpoints)) {
  $n: index($breakpoint-names, $name);
  @return if($n < length($breakpoint-names), nth($breakpoint-names, $n + 1), null);
}

// Maximum breakpoint width. Null for the smallest (first) breakpoint.
// The maximum value is reduced by 0.02px to work around the limitations of
// `min-` and `max-` prefixes and viewports with fractional widths.
//
// See https://www.w3.org/TR/mediaqueries-4/#mq-min-max
// Uses 0.02px rather than 0.01px to work around a current rounding bug in Safari.	// Uses 0.02px rather than 0.01px to work around a current rounding bug in Safari.
// See https://bugs.webkit.org/show_bug.cgi?id=178261	// See https://bugs.webkit.org/show_bug.cgi?id=178261
//
//    >> breakpoint-max(md, (xs: 0, sm: 576px, md: 768px, lg: 992px, xl: 1200px))
//    767.98px
@function breakpoint-max($name, $breakpoints: $screen-breakpoints) {
  $max: map-get($breakpoints, $name);
  @return if($max and $max > 0, $max - .02, null);
}

// Media of at most the maximum breakpoint width. No query for the largest breakpoint.
// Makes the @content apply to the given breakpoint and narrower.
@mixin media-breakpoint-down($name, $breakpoints: $screen-breakpoints) {
  $max: breakpoint-max($name, $breakpoints);
  @if $max {
    @media (max-width: $max) {
      @content;
    }
  } @else {
    @content;
  }
}


// Text Direction - ltr / rtl
//
// CSS defaults to use the ltr css, and adds [dir=rtl] selectors
// to override ltr defaults.
// ----------------------------------------------------------

@mixin multi-dir() {
  @content;

  // $root: #{&};
  // @at-root [dir] {
  //   #{$root} {
  //     @content;
  //   }
  // }
}

@mixin rtl() {
  $root: #{&};

  $rootSplit: str-split($root, ",");
  $selectors: #{add-root-selector($root, "[dir=rtl]")};
  $selectorsSplit: str-split($selectors, ",");

  $hostContextSelectors: ();
  $restSelectors: ();
  $dirSelectors: ();

  // Selectors must be split into individual selectors in case the browser
  // doesn't support a specific selector.
  // For example, Firefox and Safari doesn't support `:host-context()`.
  // If an invalid selector is used, then the entire group of selectors
  // will be ignored.
  // @link https://www.w3.org/TR/selectors-3/#grouping
  @each $selector in $selectorsSplit {
    // Group the selectors back into a single selector to optimize the output.
    @if str-index($selector, ":host-context") {
      $hostContextSelectors: append($hostContextSelectors, $selector, comma);
    } @else {
      // Group the selectors back into a single selector to optimize the output.
      $restSelectors: append($restSelectors, $selector, comma);
    }
  }

  // Supported by Chrome.
  @if length($hostContextSelectors) > 0 {
    @at-root #{$hostContextSelectors} {
      @content;
    }
  }

  // Supported by all browsers.
  @if length($restSelectors) > 0 {
    @at-root #{$restSelectors} {
      @content;
    }
  }

  // If browser can support `:dir()`, then add the `:dir()` selectors.
  @supports selector(:dir(rtl)) {
    // Adding :dir() in case the browser doesn't support `:host-context()` and does support `:dir()`.
    // `:host-context()` is added:
    // - through the `add-root-selector()` function.
    // - first so that it takes precedence over `:dir()`.
    // For example,
    // - Firefox doesn't support `:host-context()`, but does support `:dir()`.
    // - Safari doesn't support `:host-context()`, but Safari 16.4+ supports `:dir()`
    // @link https://webkit.org/blog/13966/webkit-features-in-safari-16-4/
    // -- However, there is a Webkit bug on v16 that prevents `:dir()` from working when
    // -- the app direction is changed dynamically. v17+ works fine.
    // -- @link https://bugs.webkit.org/show_bug.cgi?id=257133

    // Supported by Firefox.
    @at-root #{add-root-selector($root, ":dir(rtl)", false)} {
      @content;
    }
  }
}

@mixin ltr() {
  @content;
}


// SVG Background Image Mixin
// @param {string} $svg
// ----------------------------------------------------------
@mixin svg-background-image($svg, $flip-rtl: false) {
  $url: url-encode($svg);
  $viewBox: str-split(str-extract($svg, "viewBox='", "'"), " ");

  @if $flip-rtl != true or $viewBox == null {
    @include multi-dir() {
      background-image: url("data:image/svg+xml;charset=utf-8,#{$url}");
    }
  } @else {
    $transform: "transform='translate(#{nth($viewBox, 3)}, 0) scale(-1, 1)'";
    $flipped-url: $svg;
    $flipped-url: str-replace($flipped-url, "<path", "<path #{$transform}");
    $flipped-url: str-replace($flipped-url, "<line", "<line #{$transform}");
    $flipped-url: str-replace($flipped-url, "<polygon", "<polygon #{$transform}");
    $flipped-url: url-encode($flipped-url);

    @include ltr () {
      background-image: url("data:image/svg+xml;charset=utf-8,#{$url}");
    }
    @include rtl() {
      background-image: url("data:image/svg+xml;charset=utf-8,#{$flipped-url}");
    }
  }
}

// Add property horizontal
// @param {string} $start
// @param {string} $end
// ----------------------------------------------------------
@mixin property-horizontal($prop, $start, $end: $start) {
  @if $start == 0 and $end == 0 {
    #{$prop}-left: $start;
    #{$prop}-right: $end;

  } @else {
    -webkit-#{$prop}-start: $start;
    #{$prop}-inline-start: $start;
    -webkit-#{$prop}-end: $end;
    #{$prop}-inline-end: $end;
  }
}

// Add property for all directions
// @param {string} $prop
// @param {string} $top
// @param {string} $end
// @param {string} $bottom
// @param {string} $start
// @param {boolean} $content include content or use default
// ----------------------------------------------------------
@mixin property($prop, $top, $end: $top, $bottom: $top, $start: $end) {
  @include property-horizontal($prop, $start, $end);
  #{$prop}-top: $top;
  #{$prop}-bottom: $bottom;
}

// Add padding horizontal
// @param {string} $start
// @param {string} $end
// ----------------------------------------------------------
@mixin padding-horizontal($start, $end: $start) {
  @include property-horizontal(padding, $start, $end);
}

// Add padding for all directions
// @param {string} $top
// @param {string} $end
// @param {string} $bottom
// @param {string} $start
// ----------------------------------------------------------
@mixin padding($top, $end: $top, $bottom: $top, $start: $end) {
  @include property(padding, $top, $end, $bottom, $start);
}

// Add margin horizontal
// @param {string} $start
// @param {string} $end
// ----------------------------------------------------------
@mixin margin-horizontal($start, $end: $start) {
  @include property-horizontal(margin, $start, $end);
}

// Add margin for all directions
// @param {string} $top
// @param {string} $end
// @param {string} $bottom
// @param {string} $start
// ----------------------------------------------------------
@mixin margin($top, $end: $top, $bottom: $top, $start: $end) {
  @include property(margin, $top, $end, $bottom, $start);
}

// Add position horizontal
// @param {string} $start - amount to position start
// @param {string} $end - amount to left: 0; end
// ----------------------------------------------------------
@mixin position-horizontal($start: null, $end: null) {
  @if $start == $end {
    @include multi-dir() {
      left: $start;
      right: $end;
    }
  } @else {
    @at-root {
      & {
        inset-inline-start: $start;
        inset-inline-end: $end;
      }
    }
  }
}

// Add position for all directions
// @param {string} $top
// @param {string} $end
// @param {string} $bottom
// @param {string} $start
// ----------------------------------------------------------
@mixin position($top: null, $end: null, $bottom: null, $start: null) {
  @include position-horizontal($start, $end);
  top: $top;
  bottom: $bottom;
}

// Add border for all directions
// @param {string} $top
// @param {string} $end
// @param {string} $bottom
// @param {string} $start
// ----------------------------------------------------------
@mixin border($top, $end: $top, $bottom: $top, $start: $end) {
  @include property(border, $top, $end, $bottom, $start);
}

// Add border radius for all directions
// @param {string} $top-start
// @param {string} $top-end
// @param {string} $bottom-end
// @param {string} $bottom-start
// ----------------------------------------------------------
@mixin border-radius($top-start, $top-end: $top-start, $bottom-end: $top-start, $bottom-start: $top-end) {
  @if $top-start == $top-end and $top-start == $bottom-end and $top-start == $bottom-start {
    border-radius: $top-start;
  } @else {
    border-start-start-radius: $top-start;
    border-start-end-radius: $top-end;
    border-end-end-radius: $bottom-end;
    border-end-start-radius: $bottom-start;
  }
}

// Add direction for all directions
// @param {string} $dir - Direction on LTR
@mixin direction($dir) {
  $other-dir: null;

  @if $dir == ltr {
    $other-dir: rtl;
  } @else {
    $other-dir: ltr;
  }

  @include ltr() {
    direction: $dir;
  }
  @include rtl() {
    direction: $other-dir;
  }
}

// Add float for all directions
// @param {string} $side
// @param {string} $decorator - !important
@mixin float($side, $decorator: null) {
  @if $side == start {
    @include ltr() {
      float: left $decorator;
    }
    @include rtl() {
      float: right $decorator;
    }
  } @else if $side == end {
    @include ltr() {
      float: right $decorator;
    }
    @include rtl() {
      float: left $decorator;
    }
  } @else {
    @include multi-dir() {
      float: $side $decorator;
    }
  }
}

@mixin background-position($horizontal, $horizontal-amount: null, $vertical: null, $vertical-amount: null) {
  @if $horizontal == start or $horizontal == end {
    $horizontal-ltr: null;
    $horizontal-rtl: null;
    @if $horizontal == start {
      $horizontal-ltr: left;
      $horizontal-rtl: right;
    } @else {
      $horizontal-ltr: right;
      $horizontal-rtl: left;
    }

    @include ltr() {
      background-position: $horizontal-ltr $horizontal-amount $vertical $vertical-amount;
    }
    @include rtl() {
      background-position: $horizontal-rtl $horizontal-amount $vertical $vertical-amount;
    }
  } @else {
    @include multi-dir() {
      background-position: $horizontal $horizontal-amount $vertical $vertical-amount;
    }
  }
}

@mixin transform-origin($x-axis, $y-axis: null) {
  @if $x-axis == start {
    @include ltr() {
      transform-origin: left $y-axis;
    }
    @include rtl() {
      transform-origin: right $y-axis;
    }
  } @else if $x-axis == end {
    @include ltr() {
      transform-origin: right $y-axis;
    }
    @include rtl() {
      transform-origin: left $y-axis;
    }
  } @else if $x-axis == left or $x-axis == right {
    @include multi-dir() {
      transform-origin: $x-axis $y-axis;
    }
  } @else {
    @include ltr() {
      transform-origin: $x-axis $y-axis;
    }
    @include rtl() {
      transform-origin: calc(100% - #{$x-axis}) $y-axis;
    }
  }
}

// Add transform for all directions
// @param {string} $transforms - comma separated list of transforms
@mixin transform($transforms...) {
  $extra: null;

  $x: null;
  $ltr-translate: null;
  $rtl-translate: null;

  @each $transform in $transforms {
    @if (str-index($transform, translate3d)) {
      $transform: str-replace($transform, 'translate3d(');
      $transform: str-replace($transform, ')');

      $coordinates: str-split($transform, ',');

      $x: nth($coordinates, 1);
      $y: nth($coordinates, 2);
      $z: nth($coordinates, 3);

      $ltr-translate: translate3d($x, $y, $z);
      $rtl-translate: translate3d(calc(-1 * #{$x}), $y, $z);
    } @else {
      @if $extra == null {
        $extra: $transform;
      } @else {
        $extra: $extra $transform;
      }
    }
  }

  @if $x == '0' or $x == null {
    @include multi-dir() {
      transform: $ltr-translate $extra;
    }
  } @else {
    @include ltr() {
      transform: $ltr-translate $extra;
    }

    @include rtl() {
      transform: $rtl-translate $extra;
    }
  }
}
